23432403320 has 32 divisors (see below), whose sum is σ = 52745357520. Its totient is φ = 9368970240.

The previous prime is 23432403317. The next prime is 23432403341. The reversal of 23432403320 is 2330423432.

It is a super-2 number, since 2×23432403320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23432403320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28697 + ... + 218376.

Almost surely, 2^23432403320 is an apocalyptic number.

23432403320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432403320 is an abundant number, since it is smaller than the sum of its proper divisors (29312954200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23432403320 is a wasteful number, since it uses less digits than its factorization.

23432403320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249455 (or 249451 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23432403320 its reverse (2330423432), we get a palindrome (25762826752).

The spelling of 23432403320 in words is "twenty-three billion, four hundred thirty-two million, four hundred three thousand, three hundred twenty".